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2021 Feb JK0-019 exam topics

Q231. Which of the following layers of the OSI model maps to the Network Interface layer of the TCP stack? (Select TWO). 

A. Physical 

B. Session 

C. Data Link 

D. Network 

E. Transport 

Answer: AC 


Q232. Which of the following commands would allow a computer to acquire an IP address? 

A. ipconfig/release 

B. ipconfig/renew 

C. ipconfig/all 

D. ipconfig/help 

Answer: B 


Q233. Which of the following would be an IP address received from APIPA? 

A. 10.0.0.100 

B. 172.168.0.100 

C. 169.254.0.100 

D. 192.168.0.100 

Answer: C 


Q234. Which of the following ports would Kurt, a technician, need to open on a firewall to allow SSH on the default port? 

A. 20 

B. 21 

C. 22 

D. 23 

Answer: C 


Q235. Which of the following is an example of a MAC address? 

A. 10.0.10.1 

B. 1A-23-F9-CD-06-9L 

C. 1A-23-F9-CD-06-9B 

D. 1A-23-F9-CD-06-9B-23-5C 

Answer: D


Avant-garde JK0-019 exam guide:

Q236. For security reasons Kurt, a network technician, wants to install a Linux based email server. Microsoft web services, and directory services on different servers. Which of the following technologies would be BEST to reduce hardware costs? 

A. VPN concentrator 

B. Virtual servers 

C. Wireless 

D. Multimode fiber 

Answer: B 


Q237. The selection of the correct punch down tool to use depends on which of the following? 

A. Connector type 

B. Demarcation point location 

C. Block type 

D. Switch location 

Answer: C 


Q238. Which of the following devices should Joe, an administrator, connect to a protocol analyzer in order to collect all of the traffic on a LAN segment? 

A. Hub 

B. VLAN 

C. Router 

D. Server 

Answer: A 


Q239. Which of the following tools would Sandy, an administrator, use to determine if there is a problem with a telephone line? 

A. Port scanner 

B. Punch down tool 

C. Butt set 

D. Toner probe 

Answer: C 


Q240. Users report an intermittent degradation of sound on their IP phones. Which of the following would a network administrator do to alleviate the problem? 

A. Use plenum cables 

B. Provide fault tolerance for the switch 

C. Configure VLAN trunking on the switch 

D. Configure QoS 

Answer: D